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-- $Id: pdp11_core_rri.vhd 314 2010-07-09 17:38:41Z mueller $
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-- $Id: pdp11_core_rri.vhd 335 2010-10-24 22:24:23Z mueller $
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--
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--
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-- Copyright 2007-2010 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
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-- Copyright 2007-2010 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
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--
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--
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-- This program is free software; you may redistribute and/or modify it under
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-- This program is free software; you may redistribute and/or modify it under
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-- the terms of the GNU General Public License as published by the Free
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-- the terms of the GNU General Public License as published by the Free
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-- Test bench: tb/tb_rritba_pdp11core
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-- Test bench: tb/tb_rritba_pdp11core
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-- tb/tb_rripdp_pdp11core
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-- tb/tb_rripdp_pdp11core
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-- tb/tb_rriext_pdp11core
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-- tb/tb_rriext_pdp11core
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--
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--
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-- Target Devices: generic
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-- Target Devices: generic
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-- Tool versions: xst 8.1, 8.2, 9.1, 9.2, 11.4; ghdl 0.18-0.26
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-- Tool versions: xst 8.1, 8.2, 9.1, 9.2, 11.4, 12.1; ghdl 0.18-0.26
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-- Revision History: -
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-- Revision History: -
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-- Date Rev Version Comment
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-- Date Rev Version Comment
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-- 2010-10-23 335 1.2.3 rename RRI_LAM->RB_LAM;
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-- 2010-06-20 308 1.2.2 use c_ibrb_ibf_ def's
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-- 2010-06-20 308 1.2.2 use c_ibrb_ibf_ def's
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-- 2010-06-18 306 1.2.1 rename RB_ADDR->RB_ADDR_CORE, add RB_ADDR_IBUS;
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-- 2010-06-18 306 1.2.1 rename RB_ADDR->RB_ADDR_CORE, add RB_ADDR_IBUS;
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-- add ibrb register and ibr window logic
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-- add ibrb register and ibr window logic
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-- 2010-06-13 305 1.2 add CP_ADDR in port; mostly rewritten for new
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-- 2010-06-13 305 1.2 add CP_ADDR in port; mostly rewritten for new
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-- rri <-> cp mapping
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-- rri <-> cp mapping
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CLK : in slbit; -- clock
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CLK : in slbit; -- clock
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RESET : in slbit; -- reset
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RESET : in slbit; -- reset
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RB_MREQ : in rb_mreq_type; -- rbus: request
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RB_MREQ : in rb_mreq_type; -- rbus: request
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RB_SRES : out rb_sres_type; -- rbus: response
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RB_SRES : out rb_sres_type; -- rbus: response
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RB_STAT : out slv3; -- rbus: status flags
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RB_STAT : out slv3; -- rbus: status flags
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RRI_LAM : out slbit; -- remote attention
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RB_LAM : out slbit; -- remote attention
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CPU_RESET : out slbit; -- cpu master reset
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CPU_RESET : out slbit; -- cpu master reset
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CP_CNTL : out cp_cntl_type; -- console control port
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CP_CNTL : out cp_cntl_type; -- console control port
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CP_ADDR : out cp_addr_type; -- console address port
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CP_ADDR : out cp_addr_type; -- console address port
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CP_DIN : out slv16; -- console data in
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CP_DIN : out slv16; -- console data in
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CP_STAT : in cp_stat_type; -- console status port
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CP_STAT : in cp_stat_type; -- console status port
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RB_STAT(0) <= CP_STAT.cpugo;
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RB_STAT(0) <= CP_STAT.cpugo;
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RB_STAT(1) <= CP_STAT.cpuhalt or CP_STAT.cpurust(CP_STAT.cpurust'left);
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RB_STAT(1) <= CP_STAT.cpuhalt or CP_STAT.cpurust(CP_STAT.cpurust'left);
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RB_STAT(2) <= CP_STAT.cmderr or CP_STAT.cmdmerr;
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RB_STAT(2) <= CP_STAT.cmderr or CP_STAT.cmdmerr;
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RRI_LAM <= irb_lam;
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RB_LAM <= irb_lam;
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CPU_RESET <= icpureset;
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CPU_RESET <= icpureset;
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CP_CNTL.req <= r.cpreq;
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CP_CNTL.req <= r.cpreq;
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CP_CNTL.func <= r.cpfunc;
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CP_CNTL.func <= r.cpfunc;
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